GOSTSec/ccminer-gostd-lite
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stratum: prevent gpu scans before a job is retrieved

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and remove loopcnt var, can be done with firstwork_time
This commit is contained in:
Tanguy Pruvot 2015-05-14 23:36:04 +02:00
parent 51abf151ee
commit 76f8fbabae
1 changed files with 12 additions and 9 deletions
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21
ccminer.cpp
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@ -1318,7 +1318,6 @@ static void *miner_thread(void *userdata)
struct thr_info *mythr = (struct thr_info *)userdata; struct thr_info *mythr = (struct thr_info *)userdata;
int thr_id = mythr->id; int thr_id = mythr->id;
struct work work; struct work work;
uint64_t loopcnt = 0;
uint32_t max_nonce; uint32_t max_nonce;
uint32_t end_nonce = UINT32_MAX / opt_n_threads * (thr_id + 1) - (thr_id + 1); uint32_t end_nonce = UINT32_MAX / opt_n_threads * (thr_id + 1) - (thr_id + 1);
time_t firstwork_time = 0; time_t firstwork_time = 0;
@ -1476,6 +1475,12 @@ static void *miner_thread(void *userdata)
continue; continue;
} }
/* prevent gpu scans before a job is received */
if (have_stratum && !firstwork_time && work.data[0] == 0) {
sleep(1);
continue;
}
/* adjust max_nonce to meet target scan time */ /* adjust max_nonce to meet target scan time */
if (have_stratum) if (have_stratum)
max64 = LP_SCANTIME; max64 = LP_SCANTIME;
@ -1743,9 +1748,6 @@ static void *miner_thread(void *userdata)
/* record scanhash elapsed time */ /* record scanhash elapsed time */
gettimeofday(&tv_end, NULL); gettimeofday(&tv_end, NULL);
if (firstwork_time == 0)
firstwork_time = time(NULL);
if (rc && opt_debug) if (rc && opt_debug)
applog(LOG_NOTICE, CL_CYN "found => %08x" CL_GRN " %08x", nonceptr[0], swab32(nonceptr[0])); // data[19] applog(LOG_NOTICE, CL_CYN "found => %08x" CL_GRN " %08x", nonceptr[0], swab32(nonceptr[0])); // data[19]
if (rc > 1 && opt_debug) if (rc > 1 && opt_debug)
@ -1793,14 +1795,14 @@ static void *miner_thread(void *userdata)
hashlog_remember_scan_range(&work); hashlog_remember_scan_range(&work);
/* output */ /* output */
if (!opt_quiet && loopcnt) { if (!opt_quiet && firstwork_time) {
format_hashrate(thr_hashrates[thr_id], s); format_hashrate(thr_hashrates[thr_id], s);
applog(LOG_INFO, "GPU #%d: %s, %s", applog(LOG_INFO, "GPU #%d: %s, %s",
device_map[thr_id], device_name[device_map[thr_id]], s); device_map[thr_id], device_name[device_map[thr_id]], s);
} }
/* loopcnt: ignore first loop hashrate */ /* ignore first loop hashrate */
if (loopcnt && thr_id == (opt_n_threads - 1)) { if (firstwork_time && thr_id == (opt_n_threads - 1)) {
double hashrate = 0.; double hashrate = 0.;
pthread_mutex_lock(&stats_lock); pthread_mutex_lock(&stats_lock);
for (int i = 0; i < opt_n_threads && thr_hashrates[i]; i++) for (int i = 0; i < opt_n_threads && thr_hashrates[i]; i++)
@ -1815,6 +1817,9 @@ static void *miner_thread(void *userdata)
global_hashrate = llround(hashrate); global_hashrate = llround(hashrate);
} }
if (firstwork_time == 0)
firstwork_time = time(NULL);
/* if nonce found, submit work */ /* if nonce found, submit work */
if (rc && !opt_benchmark) { if (rc && !opt_benchmark) {
if (!submit_work(mythr, &work)) if (!submit_work(mythr, &work))
@ -1843,8 +1848,6 @@ static void *miner_thread(void *userdata)
break; break;
} }
} }
loopcnt++;
} }
out: out: